3 #![feature(rustc_private)]
5 extern crate rustc_macros;
7 extern crate rustc_serialize;
9 // Necessary to pull in object code as the rest of the rustc crates are shipped only as rmeta
11 #[allow(unused_extern_crates)]
12 extern crate rustc_driver;
14 use rustc_macros::{Decodable, Encodable};
16 #[derive(Decodable, Encodable, Debug)]